workflow: disable threads during tests

packages/runtime-dom/__tests__/patchProps.spec.ts

@@ -45,8 +45,8 @@ describe('runtime-dom: props patching', () => {
 
       public setterCalled: number = 0
     }
-    window.customElements.define('test-element', TestElement)
-    const el = document.createElement('test-element') as TestElement
+    window.customElements.define('patch-props-test-element', TestElement)
+    const el = document.createElement('patch-props-test-element') as TestElement
     patchProp(el, 'value', null, 'foo')
     expect(el.value).toBe('foo')
     expect(el.setterCalled).toBe(1)

vitest.config.ts

@@ -42,6 +42,7 @@ export default defineConfig({
   },
   test: {
     globals: true,
+    threads: false,
     setupFiles: 'scripts/setupVitest.ts',
     environmentMatchGlobs: [
       ['packages/{vue,vue-compat,runtime-dom}/**', 'jsdom']